Long-distance and high-spatial-resolution phase-sensitive OTDR with constant amplitude zero autocorrelation sequence

Key Points

• The system achieves high-spatial-resolution over long distances, enhancing signal integrity.
• A constant amplitude zero autocorrelation sequence is utilized, optimizing performance metrics significantly.
• Innovative techniques applied in the phase-sensitive OTDR enable precise detection and measurement.
• The findings support advancements in fiber optic technology, suggesting potential applications in telecommunications.